The river Kirsinas flows in Radvikiskis and Panevezys districts, the river Nevezis right tributary. Length of the river 48 km, the basin area 408 km ². The source 6 km southwest from Baisiogala town. Flows to the northeast. Flows into the river Dubysa 115 km from its mouth at Poviliauskai village, 2 km south from Naujamiestis town. Average gradient 156 cm / km. Average rated discharge downstream the tributary Palonas 0.62 m³/s, at the mouth 2.08 m³/s.

All year. Not recommended in dry summer
Shalows, small rapids, strainers, water plants.
WW 0/1- (1).

3.7 Pakalniskiai - Krekenava road bridge. right Mickieme. Average discharge approx. 0.70 m³/s. Speed of current average, at the river small forests. The banks in some places high, steep, overgrown by bushes and trees. The river width approx. 5 m. Can be some strainers. Average gradient to the mouth 174 cm/km. Rare small rapids.
3.2 left Suoja - Kurys. The discharge of the tributary almost two times bigger than the Kirsinas river. Speed of current average, at the river small forests. The banks in some places high, steep, overgrown by bushes and trees. The river width 6-8 m. Rare small rapids, a fallen to the riverbed trees.
1.6 left Izupis.
1.4 Naujamiestis - Krekenava road bridge. Under the bridge small rapid. right Poviliauskiai.
0.0 The Kirsinas flows into the river Nevezis.